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Questions and Answers
If the HCF of two numbers is 5 and their product is 100, what is their LCM?
If the HCF of two numbers is 5 and their product is 100, what is their LCM?
- 15
- 25 (correct)
- 30
- 20
What is the least common multiple (LCM) of 3 and 5?
What is the least common multiple (LCM) of 3 and 5?
- 12
- 10
- 15 (correct)
- 8
If the prime factorization of a number is $2^2 \times 3^3 \times 5$ and another number is $2^3 \times 3 \times 7$, what is their LCM?
If the prime factorization of a number is $2^2 \times 3^3 \times 5$ and another number is $2^3 \times 3 \times 7$, what is their LCM?
- $2^3 \times 3^3 \times 5 \times 7$
- $2^3 \times 3^3 \times 5^2 \times 7^2$
- $2^3 \times 3^3 \times 5 \times 7^2$ (correct)
- $2^3 \times 3^3 \times 5^2 \times 7$
If the HCF of two numbers is 8 and their LCM is 240, what is their product?
If the HCF of two numbers is 8 and their LCM is 240, what is their product?
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If the LCM of 12 and 18 is 36, what is their HCF?
If the LCM of 12 and 18 is 36, what is their HCF?
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